docs/api/java/org/apache/sysds/utils/DataAugmentation.html - systemds - Git at Google

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 <div class="subTitle"><span class="packageLabelInType">Package</span>&nbsp;<a href="package-summary.html">org.apache.sysds.utils</a></div>
 <h2 title="Class DataAugmentation" class="title">Class DataAugmentation</h2>
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 <pre>public class <span class="typeNameLabel">DataAugmentation</span>
 extends <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></pre>
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 <th class="colFirst" scope="col">Constructor</th>
 <th class="colLast" scope="col">Description</th>
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 <th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">DataAugmentation</a></span>()</code></th>
 <td class="colLast">&nbsp;</td>
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 <tr>
 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colSecond" scope="col">Method</th>
 <th class="colLast" scope="col">Description</th>
 </tr>
 <tr id="i0" class="altColor">
 <td class="colFirst"><code>static <a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#dataCorruption(org.apache.sysds.runtime.frame.data.FrameBlock,double,double,double,double,double)">dataCorruption</a></span>&#8203;(<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;input,
               double&nbsp;pTypo,
               double&nbsp;pMiss,
               double&nbsp;pDrop,
               double&nbsp;pOut,
               double&nbsp;pSwap)</code></th>
 <td class="colLast">
 <div class="block">This function returns a new frame block with error introduced in the data:
  Typos in string values, null values, outliers in numeric data and swapped elements.</div>
 </td>
 </tr>
 <tr id="i1" class="rowColor">
 <td class="colFirst"><code>static <a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#miss(org.apache.sysds.runtime.frame.data.FrameBlock,double,double)">miss</a></span>&#8203;(<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;frame,
     double&nbsp;pMiss,
     double&nbsp;pDrop)</code></th>
 <td class="colLast">
 <div class="block">This function modifies the given, preprocessed frame block to add missing values to some of the rows,
  marking them with the label missing.</div>
 </td>
 </tr>
 <tr id="i2" class="altColor">
 <td class="colFirst"><code>static <a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#outlier(org.apache.sysds.runtime.frame.data.FrameBlock,java.util.List,double,double,int)">outlier</a></span>&#8203;(<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;frame,
        <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>&gt;&nbsp;numerics,
        double&nbsp;pOut,
        double&nbsp;pPos,
        int&nbsp;times)</code></th>
 <td class="colLast">
 <div class="block">This function modifies the given, preprocessed frame block to add outliers to some
  of the numeric data of the frame, adding or  several times the standard deviation,
  and marking them with the label outlier.</div>
 </td>
 </tr>
 <tr id="i3" class="rowColor">
 <td class="colFirst"><code>static <a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#preprocessing(org.apache.sysds.runtime.frame.data.FrameBlock,java.util.List,java.util.List,java.util.List)">preprocessing</a></span>&#8203;(<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;frame,
              <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>&gt;&nbsp;numerics,
              <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>&gt;&nbsp;strings,
              <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>&gt;&nbsp;swappable)</code></th>
 <td class="colLast">
 <div class="block">This function returns a new frame block with a labels column added, and build the lists
  with column index of the different types of data.</div>
 </td>
 </tr>
 <tr id="i4" class="altColor">
 <td class="colFirst"><code>static <a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#swap(org.apache.sysds.runtime.frame.data.FrameBlock,java.util.List,double)">swap</a></span>&#8203;(<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;frame,
     <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>&gt;&nbsp;swappable,
     double&nbsp;pSwap)</code></th>
 <td class="colLast">
 <div class="block">This function modifies the given, preprocessed frame block to add swapped fields of the same ValueType
  that are consecutive, marking them with the label swap.</div>
 </td>
 </tr>
 <tr id="i5" class="rowColor">
 <td class="colFirst"><code>static <a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#typos(org.apache.sysds.runtime.frame.data.FrameBlock,java.util.List,double)">typos</a></span>&#8203;(<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;frame,
      <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>&gt;&nbsp;strings,
      double&nbsp;pTypo)</code></th>
 <td class="colLast">
 <div class="block">This function modifies the given, preprocessed frame block to add typos to the string values,
  marking them with the label typos.</div>
 </td>
 </tr>
 </table>
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 <h3>Methods inherited from class&nbsp;java.lang.<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html?is-external=true" title="class or interface in java.lang" class="externalLink">Object</a></h3>
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 <h4>DataAugmentation</h4>
 <pre>public&nbsp;DataAugmentation()</pre>
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 <a id="dataCorruption(org.apache.sysds.runtime.frame.data.FrameBlock,double,double,double,double,double)">
 <!--   -->
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 <h4>dataCorruption</h4>
 <pre class="methodSignature">public static&nbsp;<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;dataCorruption&#8203;(<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;input,
                                         double&nbsp;pTypo,
                                         double&nbsp;pMiss,
                                         double&nbsp;pDrop,
                                         double&nbsp;pOut,
                                         double&nbsp;pSwap)</pre>
 <div class="block">This function returns a new frame block with error introduced in the data:
  Typos in string values, null values, outliers in numeric data and swapped elements.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>input</code> - Original frame block</dd>
 <dd><code>pTypo</code> - Probability of introducing a typo in a row</dd>
 <dd><code>pMiss</code> - Probability of introducing missing values in a row</dd>
 <dd><code>pDrop</code> - Probability of dropping a value inside a row</dd>
 <dd><code>pOut</code> - Probability of introducing outliers in a row</dd>
 <dd><code>pSwap</code> - Probability swapping two elements in a row</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>A new frameblock with corrupted elements</dd>
 </dl>
 </li>
 </ul>
 <a id="preprocessing(org.apache.sysds.runtime.frame.data.FrameBlock,java.util.List,java.util.List,java.util.List)">
 <!--   -->
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 <h4>preprocessing</h4>
 <pre class="methodSignature">public static&nbsp;<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;preprocessing&#8203;(<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;frame,
                                        <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>&gt;&nbsp;numerics,
                                        <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>&gt;&nbsp;strings,
                                        <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>&gt;&nbsp;swappable)</pre>
 <div class="block">This function returns a new frame block with a labels column added, and build the lists
  with column index of the different types of data.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>frame</code> - Original frame block</dd>
 <dd><code>numerics</code> - Empty list to return the numeric positions</dd>
 <dd><code>strings</code> - Empty list to return the string positions</dd>
 <dd><code>swappable</code> - Empty list to return the swappable positions</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>A new frameblock with a labels column</dd>
 </dl>
 </li>
 </ul>
 <a id="typos(org.apache.sysds.runtime.frame.data.FrameBlock,java.util.List,double)">
 <!--   -->
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 <h4>typos</h4>
 <pre class="methodSignature">public static&nbsp;<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;typos&#8203;(<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;frame,
                                <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>&gt;&nbsp;strings,
                                double&nbsp;pTypo)</pre>
 <div class="block">This function modifies the given, preprocessed frame block to add typos to the string values,
  marking them with the label typos.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>frame</code> - Original frame block</dd>
 <dd><code>strings</code> - List with the columns of string type that can be changed, generated during preprocessing or manually selected</dd>
 <dd><code>pTypo</code> - Probability of adding a typo to a row</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>A new frameblock with typos</dd>
 </dl>
 </li>
 </ul>
 <a id="miss(org.apache.sysds.runtime.frame.data.FrameBlock,double,double)">
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 <h4>miss</h4>
 <pre class="methodSignature">public static&nbsp;<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;miss&#8203;(<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;frame,
                               double&nbsp;pMiss,
                               double&nbsp;pDrop)</pre>
 <div class="block">This function modifies the given, preprocessed frame block to add missing values to some of the rows,
  marking them with the label missing.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>frame</code> - Original frame block</dd>
 <dd><code>pMiss</code> - Probability of adding missing values to a row</dd>
 <dd><code>pDrop</code> - Probability of dropping a value</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>A new frameblock with missing values</dd>
 </dl>
 </li>
 </ul>
 <a id="outlier(org.apache.sysds.runtime.frame.data.FrameBlock,java.util.List,double,double,int)">
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 <h4>outlier</h4>
 <pre class="methodSignature">public static&nbsp;<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;outlier&#8203;(<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;frame,
                                  <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>&gt;&nbsp;numerics,
                                  double&nbsp;pOut,
                                  double&nbsp;pPos,
                                  int&nbsp;times)</pre>
 <div class="block">This function modifies the given, preprocessed frame block to add outliers to some
  of the numeric data of the frame, adding or  several times the standard deviation,
  and marking them with the label outlier.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>frame</code> - Original frame block</dd>
 <dd><code>numerics</code> - List with the columns of numeric type that can be changed, generated during preprocessing or manually selected</dd>
 <dd><code>pOut</code> - Probability of introducing an outlier in a row</dd>
 <dd><code>pPos</code> - Probability of using positive deviation</dd>
 <dd><code>times</code> - Times the standard deviation is added</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>A new frameblock with outliers</dd>
 </dl>
 </li>
 </ul>
 <a id="swap(org.apache.sysds.runtime.frame.data.FrameBlock,java.util.List,double)">
 <!--   -->
 </a>
 <ul class="blockListLast">
 <li class="blockList">
 <h4>swap</h4>
 <pre class="methodSignature">public static&nbsp;<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;swap&#8203;(<a href="../runtime/frame/data/FrameBlock.html" title="class in org.apache.sysds.runtime.frame.data">FrameBlock</a>&nbsp;frame,
                               <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html?is-external=true" title="class or interface in java.util" class="externalLink">List</a>&lt;<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html?is-external=true" title="class or interface in java.lang" class="externalLink">Integer</a>&gt;&nbsp;swappable,
                               double&nbsp;pSwap)</pre>
 <div class="block">This function modifies the given, preprocessed frame block to add swapped fields of the same ValueType
  that are consecutive, marking them with the label swap.</div>
 <dl>
 <dt><span class="paramLabel">Parameters:</span></dt>
 <dd><code>frame</code> - Original frame block</dd>
 <dd><code>swappable</code> - List with the columns that are swappable, generated during preprocessing</dd>
 <dd><code>pSwap</code> - Probability of swapping two fields in a row</dd>
 <dt><span class="returnLabel">Returns:</span></dt>
 <dd>A new frameblock with swapped elements</dd>
 </dl>
 </li>
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